【正文】
ousands 4. There are over nine __ workers in the factory, but __ of young people hope to work in it. A. hundred。 hundreds C. hundreds。 twenty B. sixty。 the twentieth 4. He got the prize __. A. in his fifties B. in fifties C. in his fifty 時(shí)間類(lèi)型 表示法 例 讀法 整點(diǎn) 基數(shù)詞( + o’clock) 1:00 ﹤ 30分鐘 分鐘 + past +小時(shí) 2:10 = 30 分鐘 half + past + 小時(shí) 3:30 ﹥ 30分鐘 ( 60分鐘) + to +(小時(shí) + 1) 4:40 分鐘逢 15 即 一刻鐘 a quarter 5:15 6:45 簡(jiǎn)化法 按順序讀基數(shù)詞 7:50 one o’clock ten past two half past three twenty to five a quarter past five a quarter to seven seven fifty 表示在幾點(diǎn)鐘用介詞 at 四 .數(shù)詞的表示法 — 時(shí)間 1.— It’s already 7:40 now. When will the film start? — ___. We still have five minutes. A. A quarter to seven B. Seven past fortyfive C. A quarter to eight 1 / 5 基序 one fifth 2/7 基 ﹥ 1 序 + s two sevenths a quarter three quarters a half 1 3 three and one third 3 基 and分?jǐn)?shù) 四 .數(shù)詞的表示法 — 分?jǐn)?shù)、百分?jǐn)?shù)、小數(shù) 1/4 3/4 1/2 80 % 基數(shù)詞 + percent eighty percent ※ (百 )分?jǐn)?shù) / half + of + 可名復(fù) +謂語(yǔ) 復(fù) 不可名 +謂語(yǔ) 單 three point seven eight ① 分?jǐn)?shù) ④ 小數(shù) ③ 一半: half an hour two and a half hours = two hours and a half one and a half hours = one hour and a half 半個(gè)小時(shí) 一個(gè)半小時(shí) 兩個(gè)半小時(shí) ② 百分?jǐn)?shù) : 1. __ of the students __ boys in Class A. Two three。 are C. Two thirds。 are B. Two thirds。 is 3. __ the teachers in our school is about one hundred, and __ of them are women teachers. A. The number of。 two thirds C. A number of。 The earth is 49 times the size of the moon. 地球是月球的 49倍。 △ by+倍數(shù),表示增加多少倍 The production of grain has been increased by four times this year. 今年糧食產(chǎn)量增加了 4倍。 eight years old B. eight years old。 eightyear